Lab tests CPT 83525 Outpatient

Insulin test cost in Eureka, CA

In Eureka-Arcata, CA, 2 hospitals list a cash price for Insulin blood test: from $13.80 to $13.80, with a median of $13.80. The lowest listed price is at St Joseph Health Northern California LLC and 1 other hospital. Across California, the median is $66.64 at 83 hospitals.

Cash prices at 2 facilities across 2 cities for code 83525, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.

Lowest$13.80St Joseph Health Northern California LLC + 1 more
Median$13.80half pay less
Highest$13.80in this market
Difference1.0×highest vs lowest

Where each hospital's price falls

Each dot is one hospital's cash price on a scale from the lowest to the highest in Eureka-Arcata, CA.

median
Lowest $13.80Highest $13.80

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
St Joseph Health Northern California LLC lowest Fortuna, CA HC INSULIN LEVEL ASSAY $13.80 $27.05 — 49% Apr 1, 2026
source file
St Joseph Health Northern California LLC lowest Eureka, CA HC INSULIN LEVEL ASSAY $13.80 $27.05 — 49% Apr 1, 2026
source file

Outpatient: lowest $13.80, median $13.80, highest $13.80.

As an inpatient, the same code is billed by 2 facilities here, median $13.80. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.

What it is

An insulin test measures insulin in the blood. It is used to investigate low blood sugar and sometimes to estimate insulin resistance.

What the price covers

The price usually covers running the test. The blood draw (36415) is often billed as a separate line.

2 rows held back from this comparison

They are priced below $1 or below a tenth of the national median for code 83525 ($51.60). Such a line is almost always a physician's fee billed separately, an assistant's share or a placeholder — a real charge, but not the price of the procedure itself.

St Joseph Health Northern California LLC Fortuna, CAHC ASSAY OF INSULIN TOTAL LAB $3.06 file
St Joseph Health Northern California LLC Eureka, CAHC ASSAY OF INSULIN TOTAL LAB $3.06 file